and text 3 for liz taylor's jewels, speaking of treasure. around the world before going up for auction. the winning story airs a few minutes from now. >>> all right. the s.a.t. is billed as the most widely used college admission test, and seven new york students have been accused of cheating on it. but it's the way they allegedly did it that has people asking, could this happen again? cnn student news anchor carl azuz following the story. this is really fascinating. >> it's absolutely fascinating. and it could have happened at another school. and really what happened here is that teachers at great net north high school, this is a renowned high school in long island, they started hearing rumors that some students were paying other students to take the s.a.t. for them. what they started doing, what prosecutors started doing as part of this investigation is looking at who was doing really well on the s.a.t. but not doing so well academically. and that led them to arrest six students at great net north high school, as well as a seventh student. y

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a sneak peek at the liz taylor jewelry collection as it makes the tour stop in london. >> that's a bigth taylor diamond worth millions of dollars, all 33 karats on display at an auction house in london. >> she called it her baby. she used it on set. off set. at home. in bed. >> jonathan, deputy chairman of christi's america says the diamond is part of a rare glimpse into the treasure-trove of one of the greatest film stars of all time. >> elizabeth taylor is to diamonds -- >> her collection estimated to be worth over $35 million. >> we're known for being quite conservative with our estimates and the enthusiasm of the private collectors who have been in to see things gives us a good indication that it will be a popular sale. >> and that includes the emerald suite. >> they are mouth watering. they look like you could eat them. >> richard burton bought the jewels for elizabeth taylor in rome while she filmed "cleopatra." >> a gift from richard burton was i introduced her to beer. she introduced me to vulgarity. >> it's also a selection of art. >> she never had a stylist. she never borrowe